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feat: direct playout mode, AEC far-end, audio processing switches
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- Add --android/--direct-playout: bypass jitter buffer, decode on recv
  (matches Android engine architecture)
- Wire AEC far-end reference from decoded playout to encoder
- Add --no-aec, --no-agc, --no-fec, --no-silence, --no-denoise switches
- Fix BufferSize::Fixed(960) → Default for macOS CoreAudio compat
- Optimize wzp-codec, wzp-fec, audiopus, nnnoiseless in debug profile
- Add capture callback size diagnostic logging

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
This commit is contained in:
Siavash Sameni
2026-04-06 09:48:34 +04:00
parent ba29d8354f
commit cfb48df1ef
3 changed files with 229 additions and 50 deletions
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16
crates/wzp-client/src/audio_io.rs
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@@ -56,7 +56,7 @@ impl AudioCapture {
let config = StreamConfig {
channels: 1,
sample_rate: SampleRate(48_000),
buffer_size: cpal::BufferSize::Fixed(FRAME_SAMPLES as u32),
buffer_size: cpal::BufferSize::Default,
};
let use_f32 = !supports_i16_input(&device)?;
@@ -65,17 +65,21 @@ impl AudioCapture {
warn!("input stream error: {e}");
};
let logged_cb_size = Arc::new(AtomicBool::new(false));
let stream = if use_f32 {
let ring = ring_cb.clone();
let running = running_clone.clone();
let logged = logged_cb_size.clone();
device.build_input_stream(
&config,
move |data: &[f32], _: &cpal::InputCallbackInfo| {
if !running.load(Ordering::Relaxed) {
return;
}
// Batch convert f32 → i16, then write entire slice to ring.
// Stack alloc for typical callback sizes (≤ 960 samples).
if !logged.swap(true, Ordering::Relaxed) {
eprintln!("[audio] capture callback: {} f32 samples", data.len());
}
let mut tmp = [0i16; FRAME_SAMPLES];
for chunk in data.chunks(FRAME_SAMPLES) {
let n = chunk.len();
@@ -91,12 +95,16 @@ impl AudioCapture {
} else {
let ring = ring_cb.clone();
let running = running_clone.clone();
let logged = logged_cb_size.clone();
device.build_input_stream(
&config,
move |data: &[i16], _: &cpal::InputCallbackInfo| {
if !running.load(Ordering::Relaxed) {
return;
}
if !logged.swap(true, Ordering::Relaxed) {
eprintln!("[audio] capture callback: {} i16 samples", data.len());
}
ring.write(data);
},
err_cb,
@@ -183,7 +191,7 @@ impl AudioPlayback {
let config = StreamConfig {
channels: 1,
sample_rate: SampleRate(48_000),
buffer_size: cpal::BufferSize::Fixed(FRAME_SAMPLES as u32),
buffer_size: cpal::BufferSize::Default,
};
let use_f32 = !supports_i16_output(&device)?;